| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we [verb] [vb pp] a | 2249 |
|
| 2 | we could [verb] a | 327 |
|
| 3 | we could [verb] [vb pp] | 325 |
|
| 4 | could [verb] [vb pp] a | 290 |
|
